A study has found that an ancient protein motif that binds to nucleic acids is functionally "ambidextrous." This means that ...

Auxin is the first plant hormone—or "phytohormone"—ever identified, with its discovery dating to the late 19th and early 20th ...

The work tests and revises a 50-year old textbook model, known as the Bloch hypothesis, for the evolution of sterol metabolism in eukaryotic cells. The results indicate that the complexity of sterol ...